Reliance Industries Limited

Vivek Shankaranarayanan

Pavankumar Aduri

Suresh Shantilal Jain

Parasuveera Uppara

Rajesh Ratnakar Terdalkar

Nitin Haribhau Patil

The present disclosure provides a process for oxidation of p-xylene to terephthalic acid. Recovery of fluid medium and valuable chemicals in carried out using p-xylene as fluid medium which is also the starting material. The recovered stream containing p-xylene, acetic acid and other valuable chemicals is recycled to the oxidation step. The process disclosed in the present disclosure is energy efficient and cost effective.

Process for oxidation of alkyl aromatic compound to aromatic carboxylic acid

The present disclosure provides a process for recovering and recycling a catalyst from the mother liquor generated during the production of aromatic carboxylic acids. The process comprises treating the mother liquor with an alkyl aromatic compound and further treating the first aqueous layer obtained with an ionic liquid to obtain a catalyst rich aqueous mixture. The catalyst rich aqueous mixture is recycled to the oxidation reactor.

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Hyderabad Telangana, India

Vivek Shankaranarayanan